Exe ^ eum 
lid not seen. Tufts loose green or brown-green. Stem. bipin- : 
nate; branches numerous not julaceous, often with short fla- 
gelle. — Rocks r. Amer. Can. Vance. isl: Macoun. p s 
B. Leaves gen. long-acuminate, ovate-oblong or ovate-lanceo- 
late; costa thick gen. long. Stem irregularly pinnate. Leaves 
somewhat large. 
8.lthamnioides Kindb. n. sp. — »I. aggregatum» Kindb. cat. 
Can. m. 
Stem-leaves denticulate below, serrate or twice serrulate above; 
upper cells rhombic or rhomboidal. Branch-leaves serrate nearly 
all around; upper cells lanceolate-linear, middle and lower sub- 
linear, alar. disposed on a short space. Perichetial leaves ser- 2 
rate. Capsule cylindric inclined or slightly curved; lid short 
acuminate; teeth yellow; cilia short appendiculate. Tufts loose | 
glossy green. Branches long-attenuate nearly crowded not jula- ! 
ceous, — Rocks r. Amer. Can. Brit. Col and Vane. isl: Ma- : 
coun. ; 
9.Laggregatum Mitten. — Hypnum Mitt.; Isothecium Kindb. - 
»Lower leaves spreading broadly hastate ovate-acuminate 
subecostate; those on the middle of the branches broadly ovate; 
those: near the top costate-acuminate subjulaceous imbricate 
serrulate toward the acute apex. Perichetial leaves ovate-lanceo- 
late acuminate nerved to middle, serrate and reflexed at apex. 
Capsule cylindrical irregular inclined; lid conical acuminate; 
segments narrow (?); cilia solitary short, The author compares 
it, on account of the julaceous imbrication of the leaves, 0 
some states of Pterogonium gracile, while other stems have a 
resemblance to Hypnum myurum. -— Amer. Vance. isl. and Brit. 
Col.»: Lesq. et Jam. man, dn 
10.Il.Howei Kindb. revue bryol. 1895. : 
Leaves entire below middle, serrate above, often filiform-poin- 
ted; areolation as in I. Breweri; costa vanishing near middle. 
Capsule erect subcylindrie. Branches crowded subjulaceous. 
somewhat long and numerous. Tufts dirty green not. glossy. 
— On decaying branches r. Amer. U. S. California: Marshall. 
A. Howe. LE: 
2. Myosuroidea. 
A. Middle and lower inner leaf-cells linear, alar finall 
yellowish. Branch-leaves not striate. Lid of capsule acute 
short-rostrate. Stem often distinctly tree-like, - 
11.Tamyosuroides L. — Hypnum L.; Isothecium Bridel; Et 
rhynehium. Schimper. M 
